add some comments about string interning
update link
fix for missing context when embedding broker
Merge pull request #725 from metamx/fix-missing-context

fix for missing context when embedding broker
[maven-release-plugin] prepare release druid-0.6.153
[maven-release-plugin] prepare for next development iteration
Corrected documentation for IngestSegmentFirehose

Ingest Segment firehose had incorrect documentation.
fix incorrect nullable annotations
update druid api ver
fix missing charsets
make constants final
classes that should be static
negating compare is bad
properly close reader
null check for something that cannot be null
remove unused columnConfig
Merge pull request #735 from metamx/misc-cleanup

Misc cleanup
fix synchronized on field getting updated
described how to enable experimental features
have better dimension exclusions